image: Scanning electron microscope image of black butterfly nanoholes. This material relates to a paper that appeared in the 18 Oct. 2017, issue of Science Advances, published by AAAS. The paper, by R.H. Siddique at California Institute of Technology (Caltech) in Pasadena, Calif., and colleagues was titled, "Bioinspired phase-separated disordered nanostructures for thin photovoltaic absorbers." view more
Credit: [Credit: Radwanul Hasan Siddique, KIT/Caltech]